13131531

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 24284160

約数和(自身を除く): 11152629

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 61, 63, 67, 119, 153, 183, 189, 201, 357, 427, 459, 469, 549, 603, 1037, 1071, 1139, 1281, 1407, 1647, 1809, 3111, 3213, 3417, 3843, 4087, 4221, 7259, 7973, 9333, 10251, 11529, 12261, 12663, 21777, 23919, 27999, 28609, 30753, 36783, 65331, 69479, 71757, 85827, 110349, 195993, 208437, 215271, 257481, 486353, 625311, 772443, 1459059, 1875933, 4377177, 13131531]

約数ペア:

[(1, 13131531), (3, 4377177), (7, 1875933), (9, 1459059), (17, 772443), (21, 625311), (27, 486353), (51, 257481), (61, 215271), (63, 208437), (67, 195993), (119, 110349), (153, 85827), (183, 71757), (189, 69479), (201, 65331), (357, 36783), (427, 30753), (459, 28609), (469, 27999), (549, 23919), (603, 21777), (1037, 12663), (1071, 12261), (1139, 11529), (1281, 10251), (1407, 9333), (1647, 7973), (1809, 7259), (3111, 4221), (3213, 4087), (3417, 3843)]